The Coraline Completely Frameless Sliding Tub Door model - A tub-height sliding glass door for an existing 60 in. tub alcove. With premium clear 3/8 in. thick tempered safety glass; tested and certified to ANSI Z97.1 Standard that includes StarCast by EnduroShield coating to ensure that your door stays beautiful for years to come and an innovative two-wheeled roller system. Coraline's variety of finishes and glass will create an upscale custom solution for your existing tub alcove.� StarCast by EnduroShield protective glass coating� 56 in. to 60 in. W x 60 in. H frameless sliding tub door with frosted glass, Width adjustability: 56 in. - 60 in. (by cutting top bar)� Premium 3/8 in. (10 mm) clear tempered safety glass - tested and certified to ANSI Z97.1 standard, Bronze finished hardware constructed of durable stainless steel, Modern industrial 2-wheel roller system for easy and smooth sliding operation with round bar� Reversible installation for right or left hand door opening, Full-length clear seals included to prevent leakage� All reference measurements should be based on a finished opening, Wall studs or similar reinforcement required for door installation, Professional installation recommended, Limited-lifetime warranty included (one [1] year warranty provided for Bronze and Matte Black finished hardware)